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5300869256
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182822 91177308-0d34-0410-b5e6-96231b3b80d8
57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
//===-- SparcFrameLowering.h - Define frame lowering for Sparc --*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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//
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//
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//===----------------------------------------------------------------------===//
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#ifndef SPARC_FRAMEINFO_H
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#define SPARC_FRAMEINFO_H
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#include "Sparc.h"
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#include "SparcSubtarget.h"
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#include "llvm/Target/TargetFrameLowering.h"
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namespace llvm {
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class SparcSubtarget;
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class SparcFrameLowering : public TargetFrameLowering {
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const SparcSubtarget &SubTarget;
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public:
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explicit SparcFrameLowering(const SparcSubtarget &ST)
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: TargetFrameLowering(TargetFrameLowering::StackGrowsDown,
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ST.is64Bit() ? 16 : 8, 0, ST.is64Bit() ? 16 : 8),
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SubTarget(ST) {}
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/// emitProlog/emitEpilog - These methods insert prolog and epilog code into
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/// the function.
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void emitPrologue(MachineFunction &MF) const;
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void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
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void eliminateCallFramePseudoInstr(MachineFunction &MF,
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MachineBasicBlock &MBB,
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MachineBasicBlock::iterator I) const;
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bool hasReservedCallFrame(const MachineFunction &MF) const;
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bool hasFP(const MachineFunction &MF) const;
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void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
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RegScavenger *RS = NULL) const;
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private:
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//Remap input registers to output registers for leaf procedure.
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void remapRegsForLeafProc(MachineFunction &MF) const;
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//Returns true if MF is a leaf procedure.
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bool isLeafProc(MachineFunction &MF) const;
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};
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} // End llvm namespace
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#endif
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